Файл: upload/core/vendor/twig/twig/src/Util/CallableArgumentsExtractor.php
Строк: 360
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace TwigUtil;
use TwigErrorSyntaxError;
use TwigNodeExpressionArrayExpression;
use TwigNodeExpressionConstantExpression;
use TwigNodeExpressionVariadicExpression;
use TwigNodeNode;
use TwigTwigCallableInterface;
/**
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
final class CallableArgumentsExtractor
{
private ReflectionCallable $rc;
public function __construct(
private Node $node,
private TwigCallableInterface $twigCallable,
) {
$this->rc = new ReflectionCallable($twigCallable);
}
/**
* @return array<Node>
*/
public function extractArguments(Node $arguments): array
{
$extractedArguments = [];
$extractedArgumentNameMap = [];
$named = false;
foreach ($arguments as $name => $node) {
if (!is_int($name)) {
$named = true;
} elseif ($named) {
throw new SyntaxError(sprintf('Positional arguments cannot be used after named arguments for %s "%s".', $this->twigCallable->getType(), $this->twigCallable->getName()), $this->node->getTemplateLine(), $this->node->getSourceContext());
}
$extractedArguments[$normalizedName = $this->normalizeName($name)] = $node;
$extractedArgumentNameMap[$normalizedName] = $name;
}
if (!$named && !$this->twigCallable->isVariadic()) {
$min = $this->twigCallable->getMinimalNumberOfRequiredArguments();
if (count($extractedArguments) < $this->rc->getReflector()->getNumberOfRequiredParameters() - $min) {
$argName = $this->toSnakeCase($this->rc->getReflector()->getParameters()[$min + count($extractedArguments)]->getName());
throw new SyntaxError(sprintf('Value for argument "%s" is required for %s "%s".', $argName, $this->twigCallable->getType(), $this->twigCallable->getName()), $this->node->getTemplateLine(), $this->node->getSourceContext());
}
return $extractedArguments;
}
if (!$callable = $this->twigCallable->getCallable()) {
if ($named) {
throw new SyntaxError(sprintf('Named arguments are not supported for %s "%s".', $this->twigCallable->getType(), $this->twigCallable->getName()));
}
throw new SyntaxError(sprintf('Arbitrary positional arguments are not supported for %s "%s".', $this->twigCallable->getType(), $this->twigCallable->getName()));
}
[$callableParameters, $isPhpVariadic] = $this->getCallableParameters();
$arguments = [];
$callableParameterNames = [];
$missingArguments = [];
$optionalArguments = [];
$pos = 0;
foreach ($callableParameters as $callableParameter) {
$callableParameterName = $callableParameter->name;
if (PHP_VERSION_ID >= 80000 && 'range' === $callable) {
if ('start' === $callableParameterName) {
$callableParameterName = 'low';
} elseif ('end' === $callableParameterName) {
$callableParameterName = 'high';
}
}
$callableParameterNames[] = $callableParameterName;
$normalizedCallableParameterName = $this->normalizeName($callableParameterName);
if (array_key_exists($normalizedCallableParameterName, $extractedArguments)) {
if (array_key_exists($pos, $extractedArguments)) {
throw new SyntaxError(sprintf('Argument "%s" is defined twice for %s "%s".', $callableParameterName, $this->twigCallable->getType(), $this->twigCallable->getName()), $this->node->getTemplateLine(), $this->node->getSourceContext());
}
if (count($missingArguments)) {
throw new SyntaxError(sprintf(
'Argument "%s" could not be assigned for %s "%s(%s)" because it is mapped to an internal PHP function which cannot determine default value for optional argument%s "%s".',
$callableParameterName, $this->twigCallable->getType(), $this->twigCallable->getName(), implode(', ', array_map([$this, 'toSnakeCase'], $callableParameterNames)), count($missingArguments) > 1 ? 's' : '', implode('", "', $missingArguments)
), $this->node->getTemplateLine(), $this->node->getSourceContext());
}
$arguments = array_merge($arguments, $optionalArguments);
$arguments[] = $extractedArguments[$normalizedCallableParameterName];
unset($extractedArguments[$normalizedCallableParameterName]);
$optionalArguments = [];
} elseif (array_key_exists($pos, $extractedArguments)) {
$arguments = array_merge($arguments, $optionalArguments);
$arguments[] = $extractedArguments[$pos];
unset($extractedArguments[$pos]);
$optionalArguments = [];
++$pos;
} elseif ($callableParameter->isDefaultValueAvailable()) {
$optionalArguments[] = new ConstantExpression($callableParameter->getDefaultValue(), $this->node->getTemplateLine());
} elseif ($callableParameter->isOptional()) {
if (!$extractedArguments) {
break;
}
$missingArguments[] = $callableParameterName;
} else {
throw new SyntaxError(sprintf('Value for argument "%s" is required for %s "%s".', $this->toSnakeCase($callableParameterName), $this->twigCallable->getType(), $this->twigCallable->getName()), $this->node->getTemplateLine(), $this->node->getSourceContext());
}
}
if ($this->twigCallable->isVariadic()) {
$arbitraryArguments = $isPhpVariadic ? new VariadicExpression([], $this->node->getTemplateLine()) : new ArrayExpression([], $this->node->getTemplateLine());
foreach ($extractedArguments as $key => $value) {
if (is_int($key)) {
$arbitraryArguments->addElement($value);
} else {
$originalKey = $extractedArgumentNameMap[$key];
if ($originalKey !== $this->toSnakeCase($originalKey)) {
trigger_deprecation('twig/twig', '3.15', sprintf('Using "snake_case" for variadic arguments is required for a smooth upgrade with Twig 4.0; rename "%s" to "%s" in "%s" at line %d.', $originalKey, $this->toSnakeCase($originalKey), $this->node->getSourceContext()->getName(), $this->node->getTemplateLine()));
}
$arbitraryArguments->addElement($value, new ConstantExpression($this->toSnakeCase($originalKey), $this->node->getTemplateLine()));
// I Twig 4.0, don't convert the key:
// $arbitraryArguments->addElement($value, new ConstantExpression($originalKey, $this->node->getTemplateLine()));
}
unset($extractedArguments[$key]);
}
if ($arbitraryArguments->count()) {
$arguments = array_merge($arguments, $optionalArguments);
$arguments[] = $arbitraryArguments;
}
}
if ($extractedArguments) {
$unknownArgument = null;
foreach ($extractedArguments as $extractedArgument) {
if ($extractedArgument instanceof Node) {
$unknownArgument = $extractedArgument;
break;
}
}
throw new SyntaxError(
sprintf(
'Unknown argument%s "%s" for %s "%s(%s)".',
count($extractedArguments) > 1 ? 's' : '', implode('", "', array_keys($extractedArguments)), $this->twigCallable->getType(), $this->twigCallable->getName(), implode(', ', array_map([$this, 'toSnakeCase'], $callableParameterNames))
),
$unknownArgument ? $unknownArgument->getTemplateLine() : $this->node->getTemplateLine(),
$unknownArgument ? $unknownArgument->getSourceContext() : $this->node->getSourceContext()
);
}
return $arguments;
}
private function normalizeName(string $name): string
{
return strtolower(str_replace('_', '', $name));
}
private function toSnakeCase(string $name): string
{
return strtolower(preg_replace(['/([A-Z]+)([A-Z][a-z])/', '/([a-z0-9])([A-Z])/'], '1_2', $name));
}
private function getCallableParameters(): array
{
$parameters = $this->rc->getReflector()->getParameters();
if ($this->node->hasNode('node')) {
array_shift($parameters);
}
if ($this->twigCallable->needsCharset()) {
array_shift($parameters);
}
if ($this->twigCallable->needsEnvironment()) {
array_shift($parameters);
}
if ($this->twigCallable->needsContext()) {
array_shift($parameters);
}
foreach ($this->twigCallable->getArguments() as $argument) {
array_shift($parameters);
}
$isPhpVariadic = false;
if ($this->twigCallable->isVariadic()) {
$argument = end($parameters);
$isArray = $argument && $argument->hasType() && $argument->getType() instanceof ReflectionNamedType && 'array' === $argument->getType()->getName();
if ($isArray && $argument->isDefaultValueAvailable() && [] === $argument->getDefaultValue()) {
array_pop($parameters);
} elseif ($argument && $argument->isVariadic()) {
array_pop($parameters);
$isPhpVariadic = true;
} else {
throw new SyntaxError(sprintf('The last parameter of "%s" for %s "%s" must be an array with default value, eg. "array $arg = []".', $this->rc->getName(), $this->twigCallable->getType(), $this->twigCallable->getName()));
}
}
return [$parameters, $isPhpVariadic];
}
}